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Computer Hardware

Computer Hardware
Which is the most difficult environmentally to dispose of?

system boards
power supplies
CRTs
floppy drives
hard drives

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Computer Hardware
How is ink transferred to paper in common ink jet printers?

Ink is sprayed on to the paper and managed by a nozzle
Boiling ink
Crystal
Motorized pump
Screens deflect ink on the paper into the proper positions

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Computer Hardware
You were installing an application in Windows 95, and the computer crashes, what do you do?

turn off computer and boot from a floppy disk
None of these
press the reset button on the computer
press alt + Ctrl + delete, twice
press alt + Ctrl + delete, and end task

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Computer Hardware
An important first step in troubleshooting which component in a laser printer is causing a jam is to:

check all voltages
turn the printer off, then on again
note where in the paper path the paper stops
look up error codes
remove the jammed paper

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Computer Hardware
Which should you use for cleaning Mylar-protected LCD screens?

Anti-static wipes
Ammonia window cleaner
Non-abrasive cleanser
Alcohol-impregnated wipes

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Computer Hardware
To test for AC ripple on a PC power supply, you would set the volt/ohm meter for

Farad scale
AC voltage
DC voltage scale
OHM scale

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MORE MCQ ON Computer Hardware

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